CRRR

AcronymDefinition
CRRRCertified Return Receipt Requested (USPS)
CRRRConnecticut River Raft Race (Portland, CT)
CRRRCopyright and Related Rights Regulations (intellectual property law; UK)
CRRRCommunity Recycling and Resource Recovery
CRRRChemical Risk Review and Reduction (US EPA)
CRRRColorado Rhodesian Ridgeback Rescue (Littleton, CO)
CRRRContinuous Release Reporting Regulation (US EPA)